@misc{indiciae318cb7fc8142, title = {Mars Global Surveyor Radio Science Electron Density Profiles: Interannual Variability and Implications for the Neutral Atmosphere}, author = {S W Bougher and S Engel and D P Hinson and J R Murphy}, year = {2003}, url = {https://ntrs.nasa.gov/citations/20030066703}, note = {Source identifier: 20030066703} }